add core configuration

home-manager/modules/neovim/plugins/lsp/cmp.nix

@@ -0,0 +1,85 @@
+{...}: {
+  programs.nixvim.plugins = {
+    cmp = {
+      autoEnableSources = false;
+      enable = true;
+      settings = {
+        snippet.expand = "function(args) require('luasnip').lsp_expand(args.body) end";
+        formatting = {
+          fields = ["kind" "abbr" "menu"];
+          format = ''
+            function(entry, vim_item)
+            	local kind_icons = {
+            		Text = "󰉿",
+            		Method = "󰆧",
+            		Function = "󰊕",
+            		Constructor = "",
+            		Field = " ",
+            		Variable = "󰀫",
+            		Class = "󰠱",
+            		Interface = "",
+            		Module = "",
+            		Property = "󰜢",
+            		Unit = "󰑭",
+            		Value = "󰎠",
+            		Enum = "",
+            		Keyword = "󰌋",
+            		Snippet = "",
+            		Color = "󰏘",
+            		File = "󰈙",
+            		Reference = "",
+            		Folder = "󰉋",
+            		EnumMember = "",
+            		Constant = "󰏿",
+            		Struct = "",
+            		Event = "",
+            		Operator = "󰆕",
+            		TypeParameter = " ",
+            		Misc = " ",
+            	}
+            	vim_item.kind = string.format("%s", kind_icons[vim_item.kind])
+            	vim_item.abbr = vim_item.abbr .. "  " .. (vim_item.menu and vim_item.menu or "")
+            	if vim.fn.strchars(vim_item.abbr) > 50 then
+            		vim_item.abbr = vim.fn.strcharpart(vim_item.abbr, 0, 50) .. "..."
+            	end
+            	vim_item.menu = ({
+            		nvim_lsp = "[LSP]",
+            		luasnip = "[Snippet]",
+            		buffer = "[Buffer]",
+            		path = "[Path]"
+            	})[entry.source.name]
+            	return vim_item
+            end
+          '';
+        };
+        mapping.__raw = ''          cmp.mapping.preset.insert({
+          				["<C-d>"] = cmp.mapping.scroll_docs(-4),
+          				["<C-f>"] = cmp.mapping.scroll_docs(4),
+          				["<C-Space>"] = cmp.mapping.complete(),
+          				["<CR>"] = cmp.mapping.confirm({
+          					behavior = cmp.ConfirmBehavior.Replace,
+          					select = true,
+          				}),
+          				["<S-TAB>"] = cmp.mapping.select_prev_item(),
+          				["<TAB>"] = cmp.mapping.select_next_item(),
+          			})'';
+        window = {
+          completion.__raw = "cmp.config.window.bordered()";
+          documentation.__raw = "cmp.config.window.bordered()";
+        };
+        sources = [
+          {name = "nvim_lsp";}
+          {name = "luasnip";}
+          {name = "path";}
+          {name = "buffer";}
+          {name = "crates";}
+        ];
+      };
+    };
+    cmp_luasnip.enable = true;
+    cmp-buffer.enable = true;
+    cmp-path.enable = true;
+    cmp-nvim-lsp.enable = true;
+    luasnip.enable = true;
+  };
+}